Home / 2,829.64-4,243.82-1,074.28

Finding the Fourth Proportional to 2,829.64, 4,243.82 and 1,074.28

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Solution

The fourth proportional to 2,829.64, 4,243.82 and 1,074.28 is: 1,611.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.64 : 4,243.82 = 1,074.28 : x
  2. Step 2: Convert to fraction form
    2,829.64/4,243.82 = 1,074.28/x
  3. Step 3: Cross multiply
    2,829.64x = 4,243.82 × 1,074.28
  4. Step 4: Simplify right side
    2,829.64x = 4,559,050.95
  5. Step 5: Solve for x
    x = 4,559,050.95/2,829.64
  6. Step 6: Final answer
    x = 1,611.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.